a drastically narrowed field of vision, as in looking through a tube, symptomatic of retinitis pigmentosa.
an extremely narrow or prejudiced outlook; narrow-mindedness.
Origin of tunnel vision
First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a condition in which peripheral vision is greatly restricted
narrowness of viewpoint resulting from concentration on a single idea, opinion, etc, to the exclusion of others
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Vision in which the visual field is severely constricted.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.